Design Contest Flash Innovation 2003

Intelligent Humidity-Compensated Thermostat

Motorola Flash Innovation 2003 – Design Contest
Distinctive Excellence

Charles Edmondson


Built with an intelligent sensor, 68HC908QY4, and a couple of relays and switches, the thermostat periodically reads both the temperature and relative humidity of the inside air. Using a preprogrammed table, it compares these temperatures to user-defined preferences, and adjusts the heat or air conditioning accordingly.

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Intelligent Humidity-Compensated Thermostat

by Circuit Cellar Staff time to read: <1 min